Container blank



FIG. 1 is a front view of a container blank, showing our new design, the rear view being a mirror image thereof; and,

FIG. 2 is a second embodiment of the container blank of FIG. 1, the rear view being a mirror image thereof.

The radially extending solid lines terminating at tiny holes in FIG. 2 represent the cut lines. 

The ornamental design for a container blank, as shown and described. 